(3R,4R)-A2-32-01 (compound 2), an anti-virulence drug, is a specific caseinolytic protein proteases (ClpP) inhibitor with an EC50 of 4.5 μM, and shows a tolerable cytotoxicity[1].
[1]. Zeiler E, et al. Development and characterization of improved β-lactone-based anti-virulence drugs targetingClpP. Bioorg Med Chem. 2012 Jan 15;20(2):583-91.
















